x fmt: Only check modified files locally #108773
Merged
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Previously,
x fmt
would only format modified files, whilex fmt .
andx fmt --check
would still look at all files. After this change,x fmt --check
only looks at modified files locally.I feel pretty confident in this change - other than #106261, no one has reported bugs in
get_modified_rs_files
since it was added in #105702.Combined with the changes in #108772, this brings the time for me to run
x t tidy
with a hot FS cache down from 5 to 2 seconds (and moves the majority of the time spent back totidy check
, which means it can be sped up more in the future).